package Lab01;

/**
 * Created by dell on 2017/10/12.
 */
public class Test05 {
    public static void main(String[] args) {
        //for语句
        System.out.println("1+2+3+...100");
        int i=1;
        int sum=0;
        for(i=1;i<=100;i++)
        {
            i=i++;
            sum=sum+i;
        }
        System.out.println(sum);
        //while 语句
        {
            while(i<=100)
                sum=sum+i;
                i++;
            System.out.println(sum);
        }
        //do while语句
     do{
            sum=sum+i;
            i++;
        }
        while(i<=100);
        System.out.println(sum);
    }

}
